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java.lang.RuntimeException: error reading Scala signature of org.apache.spark.sql.package: assertion failed: unsafe symbol DeveloperApi (child of package annotation) in runtime reflection universe at scala.reflect.internal.pickling.UnPickler.unpickle(UnPickler.scala:46) at scala.reflect.runtime.JavaMirrors$JavaMirror.unpickleClass(JavaMirrors.scala:619) at scala.reflect.runtime.SymbolLoaders$TopClassCompleter$$anonfun$complete$1.apply$mcV$sp(SymbolLoaders.scala:28) at scala.reflect.runtime.SymbolLoaders$TopClassCompleter$$anonfun$complete$1.apply(SymbolLoaders.scala:25) at scala.reflect.runtime.SymbolLoaders$TopClassCompleter$$anonfun$complete$1.apply(SymbolLoaders.scala:25) at scala.reflect.internal.SymbolTable.slowButSafeEnteringPhaseNotLaterThan(SymbolTable.scala:263) at scala.reflect.runtime.SymbolLoaders$TopClassCompleter.complete(SymbolLoaders.scala:25) at scala.reflect.internal.Symbols$Symbol.info(Symbols.scala:1514) at scala.reflect.runtime.SynchronizedSymbols$SynchronizedSymbol$$anon$10.scala$reflect$runtime$SynchronizedSymbols$SynchronizedSymbol$$super$info(SynchronizedSymbols.scala:189) at scala.reflect.runtime.SynchronizedSymbols$SynchronizedSymbol$$anonfun$info$1.apply(SynchronizedSymbols.scala:127) at scala.reflect.runtime.SynchronizedSymbols$SynchronizedSymbol$$anonfun$info$1.apply(SynchronizedSymbols.scala:127) at scala.reflect.runtime.Gil$class.gilSynchronized(Gil.scala:19) at scala.reflect.runtime.JavaUniverse.gilSynchronized(JavaUniverse.scala:16) at scala.reflect.runtime.SynchronizedSymbols$SynchronizedSymbol$class.gilSynchronizedIfNotThreadsafe(SynchronizedSymbols.scala:123) at scala.reflect.runtime.SynchronizedSymbols$SynchronizedSymbol$$anon$10.gilSynchronizedIfNotThreadsafe(SynchronizedSymbols.scala:189) at scala.reflect.runtime.SynchronizedSymbols$SynchronizedSymbol$class.info(SynchronizedSymbols.scala:127) at scala.reflect.runtime.SynchronizedSymbols$SynchronizedSymbol$$anon$10.info(SynchronizedSymbols.scala:189) at scala.reflect.internal.SymbolTable.openPackageModule(SymbolTable.scala:286) at scala.reflect.internal.SymbolTable.openPackageModule(SymbolTable.scala:341) at scala.reflect.runtime.SymbolLoaders$LazyPackageType$$anonfun$complete$2.apply$mcV$sp(SymbolLoaders.scala:74) at scala.reflect.runtime.SymbolLoaders$LazyPackageType$$anonfun$complete$2.apply(SymbolLoaders.scala:71) at scala.reflect.runtime.SymbolLoaders$LazyPackageType$$anonfun$complete$2.apply(SymbolLoaders.scala:71) at scala.reflect.internal.SymbolTable.slowButSafeEnteringPhaseNotLaterThan(SymbolTable.scala:263) at scala.reflect.runtime.SymbolLoaders$LazyPackageType.complete(SymbolLoaders.scala:71) at scala.reflect.internal.Symbols$Symbol.info(Symbols.scala:1514) at scala.reflect.runtime.SynchronizedSymbols$SynchronizedSymbol$$anon$1.scala$reflect$runtime$SynchronizedSymbols$SynchronizedSymbol$$super$info(SynchronizedSymbols.scala:174) at scala.reflect.runtime.SynchronizedSymbols$SynchronizedSymbol$$anonfun$info$1.apply(SynchronizedSymbols.scala:127) at scala.reflect.runtime.SynchronizedSymbols$SynchronizedSymbol$$anonfun$info$1.apply(SynchronizedSymbols.scala:127) at scala.reflect.runtime.Gil$class.gilSynchronized(Gil.scala:19) at scala.reflect.runtime.JavaUniverse.gilSynchronized(JavaUniverse.scala:16) at scala.reflect.runtime.SynchronizedSymbols$SynchronizedSymbol$class.gilSynchronizedIfNotThreadsafe(SynchronizedSymbols.scala:123) at scala.reflect.runtime.SynchronizedSymbols$SynchronizedSymbol$$anon$1.gilSynchronizedIfNotThreadsafe(SynchronizedSymbols.scala:174) at scala.reflect.runtime.SynchronizedSymbols$SynchronizedSymbol$class.info(SynchronizedSymbols.scala:127) at scala.reflect.runtime.SynchronizedSymbols$SynchronizedSymbol$$anon$1.info(SynchronizedSymbols.scala:174) at scala.reflect.internal.Types$TypeRef.thisInfo(Types.scala:2194) at scala.reflect.internal.Types$TypeRef.baseClasses(Types.scala:2199) at scala.reflect.internal.tpe.FindMembers$FindMemberBase.(FindMembers.scala:17) at scala.reflect.internal.tpe.FindMembers$FindMember.(FindMembers.scala:219) at scala.reflect.internal.Types$Type.scala$reflect$internal$Types$Type$$findMemberInternal$1(Types.scala:1014) at scala.reflect.internal.Types$Type.findMember(Types.scala:1016) at scala.reflect.internal.Types$Type.memberBasedOnName(Types.scala:631) at scala.reflect.internal.Types$Type.member(Types.scala:600) at scala.reflect.internal.Mirrors$RootsBase.getModuleOrClass(Mirrors.scala:48) at scala.reflect.internal.Mirrors$RootsBase.getModuleOrClass(Mirrors.scala:45) at scala.reflect.internal.Mirrors$RootsBase.getModuleOrClass(Mirrors.scala:66) at scala.reflect.internal.Mirrors$RootsBase.staticModuleOrClass(Mirrors.scala:77) at scala.reflect.internal.Mirrors$RootsBase.staticClass(Mirrors.scala:122) at scala.reflect.internal.Mirrors$RootsBase.staticClass(Mirrors.scala:22) at org.apache.spark.sql.types.StringType$$typecreator1$1.apply(StringType.scala:37) at scala.reflect.api.TypeTags$WeakTypeTagImpl.tpe$lzycompute(TypeTags.scala:232) at scala.reflect.api.TypeTags$WeakTypeTagImpl.tpe(TypeTags.scala:232) at org.apache.spark.sql.types.AtomicType.(AbstractDataType.scala:136) at org.apache.spark.sql.types.StringType.(StringType.scala:32) at org.apache.spark.sql.types.StringType$.(StringType.scala:48) at org.apache.spark.sql.types.StringType$.(StringType.scala) at org.apache.spark.sql.execution.command.ShowTablesCommand.(tables.scala:556) at org.apache.spark.sql.execution.SparkSqlAstBuilder$$anonfun$visitShowTables$1.apply(SparkSqlParser.scala:124) at org.apache.spark.sql.execution.SparkSqlAstBuilder$$anonfun$visitShowTables$1.apply(SparkSqlParser.scala:124) at org.apache.spark.sql.catalyst.parser.ParserUtils$.withOrigin(ParserUtils.scala:96) at org.apache.spark.sql.execution.SparkSqlAstBuilder.visitShowTables(SparkSqlParser.scala:123) at org.apache.spark.sql.execution.SparkSqlAstBuilder.visitShowTables(SparkSqlParser.scala:53) at org.apache.spark.sql.catalyst.parser.SqlBaseParser$ShowTablesContext.accept(SqlBaseParser.java:844) at org.antlr.v4.runtime.tree.AbstractParseTreeVisitor.visit(AbstractParseTreeVisitor.java:42) at org.apache.spark.sql.catalyst.parser.AstBuilder$$anonfun$visitSingleStatement$1.apply(AstBuilder.scala:64) at org.apache.spark.sql.catalyst.parser.AstBuilder$$anonfun$visitSingleStatement$1.apply(AstBuilder.scala:64) at org.apache.spark.sql.catalyst.parser.ParserUtils$.withOrigin(ParserUtils.scala:96) at org.apache.spark.sql.catalyst.parser.AstBuilder.visitSingleStatement(AstBuilder.scala:63) at org.apache.spark.sql.catalyst.parser.AbstractSqlParser$$anonfun$parsePlan$1.apply(ParseDriver.scala:54) at org.apache.spark.sql.catalyst.parser.AbstractSqlParser$$anonfun$parsePlan$1.apply(ParseDriver.scala:53) at org.apache.spark.sql.catalyst.parser.AbstractSqlParser.parse(ParseDriver.scala:82) at org.apache.spark.sql.execution.SparkSqlParser.parse(SparkSqlParser.scala:46) at org.apache.spark.sql.catalyst.parser.AbstractSqlParser.parsePlan(ParseDriver.scala:53) at org.apache.spark.sql.SparkSession.sql(SparkSession.scala:582) at org.apache.spark.sql.SQLContext.sql(SQLContext.scala:682) at com.nonono.osgi.example.int.etl.command.EtlCommand.etl(EtlCommand.java:34) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.felix.gogo.runtime.Reflective.invoke(Reflective.java:137) at org.apache.felix.gogo.runtime.CommandProxy.execute(CommandProxy.java:82) at org.apache.felix.gogo.runtime.Closure.executeCmd(Closure.java:480) at org.apache.felix.gogo.runtime.Closure.executeStatement(Closure.java:406) at org.apache.felix.gogo.runtime.Pipe.run(Pipe.java:108) at org.apache.felix.gogo.runtime.Closure.execute(Closure.java:182) at org.apache.felix.gogo.runtime.Closure.execute(Closure.java:119) at org.apache.felix.gogo.runtime.CommandSessionImpl.execute(CommandSessionImpl.java:94) at org.apache.felix.gogo.shell.Console.run(Console.java:62) at org.apache.felix.gogo.shell.Shell.console(Shell.java:203) at org.apache.felix.gogo.shell.Shell.gosh(Shell.java:128) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.felix.gogo.runtime.Reflective.invoke(Reflective.java:137) at org.apache.felix.gogo.runtime.CommandProxy.execute(CommandProxy.java:82) at org.apache.felix.gogo.runtime.Closure.executeCmd(Closure.java:480) at org.apache.felix.gogo.runtime.Closure.executeStatement(Closure.java:406) at org.apache.felix.gogo.runtime.Pipe.run(Pipe.java:108) at org.apache.felix.gogo.runtime.Closure.execute(Closure.java:182) at org.apache.felix.gogo.runtime.Closure.execute(Closure.java:119) at org.apache.felix.gogo.runtime.CommandSessionImpl.execute(CommandSessionImpl.java:94) at org.apache.felix.gogo.shell.Activator.run(Activator.java:75) at java.lang.Thread.run(Thread.java:745)